VDB-131588 · CVE-2019-0271 · BID 107355

SAP NetWeaver/ABAP Platform ABAP Server XML Document xml external entity reference

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.4	$5k-$25k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in SAP NetWeaver and ABAP Platform. The affected element is an unknown function of the component ABAP Server. Such manipulation as part of XML Document leads to xml external entity reference. This vulnerability is listed as CVE-2019-0271. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in SAP NetWeaver and ABAP Platform (Solution Stack Software) (affected version not known). It has been rated as critical. Affected by this issue is some unknown functionality of the component ABAP Server. The manipulation as part of a XML Document leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. Impacted is confidentiality, integrity, and availability. CVE summarizes:

ABAP Server (used in NetWeaver and Suite/ERP) and ABAP Platform does not sufficiently validate an XML document accepted from an untrusted source, leading to an XML External Entity (XEE) vulnerability. Fixed in Kernel 7.21 or 7.22, that is ABAP Server 7.00 to 7.31 and Kernel 7.45, 7.49 or 7.53, that is ABAP Server 7.40 to 7.52 or ABAP Platform.

The bug was discovered 03/13/2019. The weakness was presented 03/12/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is handled as CVE-2019-0271 since 11/26/2018. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 07/31/2023).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-131587 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Solution Stack Software

Vendor

Name

License

commercial

Website

Vendor: https://www.sap.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/26/2018 🔍
03/12/2019 +106 days 🔍
03/13/2019 +1 days 🔍
03/13/2019 +0 days 🔍
07/31/2023 +1601 days 🔍

Sourcesinfo

Vendor: sap.com

Advisory: securityfocus.com⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2019-0271 (🔍)
GCVE (CVE): GCVE-0-2019-0271
GCVE (VulDB): GCVE-100-131588
SecurityFocus: 107355

scip Labs: https://www.scip.ch/en/?labs.20150716
See also: 🔍

Entryinfo

Created: 03/13/2019 06:50
Updated: 07/31/2023 15:26
Changes: 03/13/2019 06:50 (55), 05/15/2020 16:20 (3), 07/31/2023 15:26 (3)
Complete: 🔍
Cache ID: 216::103